#!/usr/bin/env python
# -*- coding: utf-8 -*-

def test_choice(self):
	element = random.choice(self.seq)
	self.assertTrue(element in self.seq)
def test_sample(self):
	with self.assertRaises(ValueError):
		random.sample(self.seq, 20)
	for element in random.sample(self.seq ,5):
		self.assertTrue(element in self.seq)
if __name__ == '__main__':
	unittest.main()
